And what country can preserve its liberties if their rulers are not warned from time to time that their people preserve the spirit of resistance? Let them take arms. The remedy is to set them right as to facts, pardon and pacify them. What signify a few lives lost in a century or two? The tree of liberty must be refreshed from time to time with the blood of patriots and tyrants.
When I was a kid in the '40s and '50s, it was common to see that demonstrated in a department store with a beach ball, using the exhaust stream of a vacuum cleaner.
When I was a kid in the '40s and '50s, it was common to see that demonstrated in a department store with a beach ball, using the exhaust stream of a vacuum cleaner.
ReplyDeleteAnybody else remember that?
I remember they had one at Montgomery Wards.
DeleteSure it's not the Coanda effect?
ReplyDeletehttps://en.wikipedia.org/wiki/Coand%C4%83_effect
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ReplyDeleteIt's 14.7 PSI...Pounds per square INCH, not foot.
DeleteSo change your numbers by a factor of 144. (12 x 12).
Other than that....